Association between neighborhood health behaviors and body mass index in Northern Norway: evidence from the Tromsø Study

Aim: The prevalence of overweight and obesity has risen rapidly worldwide, and the ongoing obesity pandemic is one of the most severe public health concerns in modern society. The average body mass index (BMI) of people living in Northern Norway has also steadily increased since the late 1970s. This...

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Bibliographic Details
Published in:Scandinavian Journal of Public Health
Main Authors: Sari, Emre, Moilanen, Mikko, Bambra, Clare, Grimsgaard, Sameline, Njølstad, Inger
Other Authors: Healthy Choices
Format: Article in Journal/Newspaper
Language:English
Published: SAGE Publications 2021
Subjects:
Public Health, Environmental and Occupational Health
General Medicine
Norway
Tromsø
Northern Norway
Online Access:http://dx.doi.org/10.1177/14034948211059972
http://journals.sagepub.com/doi/pdf/10.1177/14034948211059972
http://journals.sagepub.com/doi/full-xml/10.1177/14034948211059972
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Summary:Aim: The prevalence of overweight and obesity has risen rapidly worldwide, and the ongoing obesity pandemic is one of the most severe public health concerns in modern society. The average body mass index (BMI) of people living in Northern Norway has also steadily increased since the late 1970s. This study aimed to understand how individuals’ health behavior is associated with the general health behavior of the people in their neighborhood. Methods: Using the population-based Tromsø Study, we examined the life course association between average leisure time physical activity at the neighborhood level and the BMI of individuals living in the same neighborhood. We used a longitudinal dataset following 25,604 individuals living in 33 neighborhoods and performed a linear mixed-effects analysis. Results: The results showed that participants living in neighborhoods whose residents were more physically active during their leisure time, were likely to have a significantly lower BMI (−0.9 kg/m², 95% CI −1.5 to −0.4). Also, individuals living in neighborhoods whose residents were doing mainly manual work, had significantly higher BMIs (0.7 kg/m², 95% CI 0.4−1.0). Conclusions: Our results showed a strong association between the average leisure time physical activity level of neighborhood residents and the higher BMI levels of residents of the same neighborhood.

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